20457262

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76907}}^1$

素因数の和:76935

約数の個数: 16

約数和(自身を含む): 36915840

約数和(自身を除く): 16458578

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 76907, 153814, 538349, 1076698, 1461233, 2922466, 10228631, 20457262]

約数ペア:

[(1, 20457262), (2, 10228631), (7, 2922466), (14, 1461233), (19, 1076698), (38, 538349), (133, 153814), (266, 76907)]